2 results for “Owens-Illinois”
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Book · page 9
Physical and Chemical Factors in Pneumoconiosis
In the document: T INDUSTRIAL DUST samples (collected with Owens’ apparatus, at m'nly 20 per cent of the particles ¢ meddian size of 1.3 g page 100), were smaller than 1 g, with No signifoant differenee in…
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Book · page 6
Permissible Dustiness: Dust Retention of Man
In the document: …ventilating deviees el o the souree of dust” rlling tunnels theough ates, Budhatn tn Anstrais0 « with a high perogitage 10 saggested a b @ 200 < per cubie centimeter v Gormined with Owens” cofeuter, mild be safer…